SummitAgent

Trail Guide

Granite Mountain Trail #1016

8.0 mi roundtrip · 3,800 ft gain · Hard · Granite Mountain

Trail Stats

Distance

8.0 miles roundtrip

Elevation Gain

3,800 ft

Highest Point

5,629 ft

Trailhead Elevation

1,800 ft

Difficulty

Hard

Trail Type

Out And Back

Features

Fire lookout Mountain views Wildflowers (summer)

Technical Notes

Well-maintained trail with steep switchbacks. No technical climbing. Snow travel likely October through June — avalanche terrain in winter and spring (check NWAC). The fire lookout at the summit offers 360-degree views of the Cascades. Popular trail, expect crowds on summer weekends.

Getting There

Trailhead

Pratt Lake / Granite Mountain Trailhead

Exit 47 off I-90, Snoqualmie Pass area

Parking: ~40 spaces

Open in Google Maps

From Seattle

50 mi · 55 min drive

I-90 East to Exit 47. Turn left (north) over the freeway. Trailhead parking on the left in 0.3 miles.

Planning Details

Best Season

July through October

Dogs Allowed

Yes

Avalanche Forecast

Check current avalanche conditions for the Granite Mountain zone before your trip.

View NWAC Forecast